– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Thu 04 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Thu 04 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 04 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 80mm), heaviest during Fri night. Mild temperatures (max 7°C on Fri morning, min 4°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 68mm), heaviest during Mon afternoon. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night). | |||||||||||||||||
Thursday 4 | Friday 5 | Saturday 6 | Sunday 7 | Monday 8 | Tuesday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | |  |  | | | | |  | | | | | | | |
heavy rain | light rain | light rain | light rain | light rain | heavy rain | mod. rain | mod. rain | light rain | mod. rain | mod. rain | rain shwrs | light rain | heavy rain | heavy rain | light rain | light rain | heavy rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
10 | 5 | 4 | 4 | 5 | 36 | 7 | 7 | 1.3 | 6 | 8 | 3 | 5 | 15 | 13 | 1.2 | 1.5 | 16 | |
max°C | 4 | 4 | 5 | 7 | 7 | 6 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 6 | 4 | 4 | 5 |
min°C | 4 | 4 | 4 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 6 | 5 | 6 | 6 | 3 | 4 | 3 | 3 |
4 | 4 | 4 | 5 | 2 | 2 | 2 | 3 | 4 | 3 | 4 | 3 | 4 | 3 | -2 | 3 | 0 | 0 | |
1350 | 1400 | 1500 | 1800 | 1700 | 1400 | 1300 | 1300 | 1300 | 1550 | 1600 | 1600 | 1550 | 2000 | 1050 | 1050 | 1100 | 1150 | |
Cloud base (m) | 600 | 600 | 600 | 550 | 550 | 550 | 600 | 600 | 650 | 600 | 600 | 700 | 650 | 550 | 600 | 650 | 750 | 500 |
 | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:48 | — | — |
 | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — | — | 4:10 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 80mm), heaviest during Fri night. Mild temperatures (max 7°C on Fri morning, min 4°C on Thu morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 68mm), heaviest during Mon afternoon. Mild temperatures (max 7°C on Mon afternoon, min 3°C on Mon night). Winds increasing (calm on Sun night, fresh winds from the WSW by Mon night).
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.